python: PartDesign: *.py: Fix python3 syntax

src/Mod/PartDesign/Scripts/FilletArc.py

@@ -85,9 +85,9 @@ def makeFilletArc(M1,P,Q,N,r2,ccw):
 		t = t2
 		
 	br2 = b.mult(r2)
-	print br2
+	print(br2)
 	ut = u.mult(t)
-	print ut
+	print(ut)
 	M2 = P.add(ut).add(br2)
 	S1 = M1.mult(r2/(r1+r2)).add(M2.mult(r1/(r1+r2)))
 	S2 = M2.sub(br2)

src/Mod/PartDesign/Scripts/RadialCopy.py

@@ -47,7 +47,7 @@ def makeRadialCopy():
         sel = sel[0]
         shape = sel.Shape
         name = sel.Label
-    except IndexError, AttributeError:
+    except (IndexError, AttributeError):
         QtGui.QMessageBox.critical(None,"Wrong selection","Please select a shape object")
         #raise Exception("Nothing selected")
     else: